1/* 2------------------------------------------------------------------------------- 3The macro `BITS64' can be defined to indicate that 64-bit integer types are 4supported by the compiler. 5------------------------------------------------------------------------------- 6*/ 7#define BITS64 8 9/* 10------------------------------------------------------------------------------- 11Each of the following `typedef's defines the most convenient type that holds 12integers of at least as many bits as specified. For example, `uint8' should 13be the most convenient type that can hold unsigned integers of as many as 148 bits. The `flag' type must be able to hold either a 0 or 1. For most 15implementations of C, `flag', `uint8', and `int8' should all be `typedef'ed 16to the same as `int'. 17------------------------------------------------------------------------------- 18*/ 19typedef char flag; 20typedef unsigned char uint8; 21typedef signed char int8; 22typedef int uint16; 23typedef int int16; 24typedef unsigned int uint32; 25typedef signed int int32; 26#ifdef BITS64 27typedef unsigned long long int bits64; 28typedef signed long long int sbits64; 29#endif 30 31/* 32------------------------------------------------------------------------------- 33Each of the following `typedef's defines a type that holds integers 34of _exactly_ the number of bits specified. For instance, for most 35implementation of C, `bits16' and `sbits16' should be `typedef'ed to 36`unsigned short int' and `signed short int' (or `short int'), respectively. 37------------------------------------------------------------------------------- 38*/ 39typedef unsigned char bits8; 40typedef signed char sbits8; 41typedef unsigned short int bits16; 42typedef signed short int sbits16; 43typedef unsigned int bits32; 44typedef signed int sbits32; 45#ifdef BITS64 46typedef unsigned long long int uint64; 47typedef signed long long int int64; 48#endif 49 50#ifdef BITS64 51/* 52------------------------------------------------------------------------------- 53The `LIT64' macro takes as its argument a textual integer literal and if 54necessary ``marks'' the literal as having a 64-bit integer type. For 55example, the Gnu C Compiler (`gcc') requires that 64-bit literals be 56appended with the letters `LL' standing for `long long', which is `gcc's 57name for the 64-bit integer type. Some compilers may allow `LIT64' to be 58defined as the identity macro: `#define LIT64( a ) a'. 59------------------------------------------------------------------------------- 60*/ 61#define LIT64( a ) a##LL 62#endif 63 64/* 65------------------------------------------------------------------------------- 66The macro `INLINE' can be used before functions that should be inlined. If 67a compiler does not support explicit inlining, this macro should be defined 68to be `static'. 69------------------------------------------------------------------------------- 70*/ 71#define INLINE static inline 72 73 74/* For use as a GCC soft-float library we need some special function names. */ 75 76#ifdef __LIBFLOAT__ 77 78/* Some 32-bit ops can be mapped straight across by just changing the name. */ 79#define float32_add __addsf3 80#define float32_sub __subsf3 81#define float32_mul __mulsf3 82#define float32_div __divsf3 83#define int32_to_float32 __floatsisf 84#define float32_to_int32_round_to_zero __fixsfsi 85#define float32_to_uint32_round_to_zero __fixunssfsi 86 87/* These ones go through the glue code. To avoid namespace pollution 88 we rename the internal functions too. */ 89#define float32_eq ___float32_eq 90#define float32_le ___float32_le 91#define float32_lt ___float32_lt 92 93/* All the 64-bit ops have to go through the glue, so we pull the same 94 trick. */ 95#define float64_add ___float64_add 96#define float64_sub ___float64_sub 97#define float64_mul ___float64_mul 98#define float64_div ___float64_div 99#define int32_to_float64 ___int32_to_float64 100#define float64_to_int32_round_to_zero ___float64_to_int32_round_to_zero 101#define float64_to_uint32_round_to_zero ___float64_to_uint32_round_to_zero 102#define float64_to_float32 ___float64_to_float32 103#define float32_to_float64 ___float32_to_float64 104#define float64_eq ___float64_eq 105#define float64_le ___float64_le 106#define float64_lt ___float64_lt 107 108#if 0 109#define float64_add __adddf3 110#define float64_sub __subdf3 111#define float64_mul __muldf3 112#define float64_div __divdf3 113#define int32_to_float64 __floatsidf 114#define float64_to_int32_round_to_zero __fixdfsi 115#define float64_to_uint32_round_to_zero __fixunsdfsi 116#define float64_to_float32 __truncdfsf2 117#define float32_to_float64 __extendsfdf2 118#endif 119 120#endif 121